Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
A sneeze travels out your mouth at over 100 m.p.h.!
29
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
The Pittsburgh Steelers were originally called the Pirates.
50
Only humans shed emotional tears.
331
If the human eye was a digital camera, it would have 576 megapixels.
25
The yin-yang pattern's earliest use is in Rome - not China!
125
Passengers on the Beijing subway can pay with plastic bottles.
29